Add a -n option which inhibits screen clearing when we're not in loop mode.
--- ./stats/stats.c	2002-11-04 16:15:45.000000000 -0500
+++ ./stats/stats.c	2002-11-04 16:15:38.000000000 -0500
@@ -72,7 +72,8 @@
   key_mode     = 0x0002,
   ssl_mode     = 0x0004,
   loop_mode    = 0x0100,
-  verbose_mode = 0x0200
+  verbose_mode = 0x0200,
+  clear_mode   = 0x8000
 };
 
 
@@ -194,7 +195,8 @@
   
   int i;
   
-  system("clear");
+  if(control_word & (clear_mode | loop_mode))
+    system("clear");
   stats_printHeaderSimple(control_word);
   
   if(current_device == num_devices)
@@ -220,7 +222,8 @@
   
   int i;
   
-  system("clear");
+  if(control_word & (clear_mode | loop_mode))
+    system("clear");
   stats_printHeaderVerbose(control_word);
   
   if(current_device == num_devices)
@@ -357,6 +360,7 @@
   printf("\t-v\t\tVerbose mode. Show more detailed statistics information\n\t\t\tincluding rate information.\n\n");
   printf("\t-s [num]\tShow statistics for specified device only. Default is\n\t\t\tall devices.\n\n");
   printf("\t-c\t\tShow statistics for crypto operations. Default is key\n\t\t\toperations only.\n\n");
+  printf("\t-n\t\tAvoid clearing the screen when not in loop mode.\n\n");
   printf("\t-h\t\tDisplay usage information.\n\n");
 }
 
@@ -384,10 +388,11 @@
   interval   = 3;
   control_word  = 0;
   control_word |= key_mode;
+  control_word |= clear_mode;
   
   bzero(prev_stats, sizeof(ubsec_stats_t));
 
-  while ((c = getopt(argc, argv, "LlVvS:s:I:i:CcDdKkHh?")) != -1) {
+  while ((c = getopt(argc, argv, "LlVvS:s:I:i:CcDdKknHh?")) != -1) {
     switch (c) {
     case 'L':
     case 'l':
@@ -420,6 +425,9 @@
       control_word &= (control_word & ~crypto_mode);
       control_word |= key_mode;
       break;
+    case 'n':
+      control_word &= (control_word & ~clear_mode);
+      break;
     case 'H':
     case 'h':
     case '?':